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Posted by **chine** on Thursday, March 15, 2012 at 8:22pm.

- math -
**Ms. Sue**, Thursday, March 15, 2012 at 8:26pm30 * 30 = 900 square feet in one hour

30 * 95 = 2850 square feet

2850 / 900 = _______ hours

- math -
**Reiny**, Thursday, March 15, 2012 at 8:26pmarea of the 30by30 lawn = 900 ft^2

so he can mow 900 ft^2/hr

larger lawn has area of 2850 ft^2

time = 2850/900 hrs

= 3.166667 hrs

= 3 hours and 10 minutes

- math -
**chine**, Thursday, March 15, 2012 at 8:31pmSo confused I'm in 5th grade and my answer was 3hrs and 30 mins. Explain simple for me

- math -
**Reiny**, Thursday, March 15, 2012 at 8:35pm2850/900 = 3 1/6

so that is 3 hours + 1/6 of an hour

1 hour = 60 minutes, so 1/6 of 60 = 10

(because 6x10 = 60)

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